Cita APA (7a ed.)

Speake, G. (1995). The Penguin dictionary of ancient history. Penguin Books.

Cita Chicago Style (17a ed.)

Speake, Graham. The Penguin Dictionary of Ancient History. London: Penguin Books, 1995.

Cita MLA (9a ed.)

Speake, Graham. The Penguin Dictionary of Ancient History. Penguin Books, 1995.